CVE-2020-16259
CVSS v3
9.8
CRITICAL
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user.
Technical details
- Published
- 2020-10-28
Frequently asked questions
What is CVE-2020-16259?
Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user.
Is CVE-2020-16259 actively exploited?
Active exploitation of CVE-2020-16259 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-16259?
CVE-2020-16259 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-16259 affecting your environment?
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